static int addListItemsToUnsubscribePacket()

in src/mqtt_codec.c [132:161]

• 29 lines of code
• 6 McCabe index (conditional complexity)

static int addListItemsToUnsubscribePacket(BUFFER_HANDLE ctrlPacket, const char** payloadList, size_t payloadCount, STRING_HANDLE trace_log)
{
    int result = 0;
    size_t index = 0;
    for (index = 0; index < payloadCount && result == 0; index++)
    {
        // Add the Payload
        size_t offsetLen = BUFFER_length(ctrlPacket);
        size_t topicLen = strlen(payloadList[index]);
        if (topicLen > USHRT_MAX)
        {
            result = MU_FAILURE;
        }
        else if (BUFFER_enlarge(ctrlPacket, topicLen + 2) != 0)
        {
            result = MU_FAILURE;
        }
        else
        {
            uint8_t* iterator = BUFFER_u_char(ctrlPacket);
            iterator += offsetLen;
            byteutil_writeUTF(&iterator, payloadList[index], (uint16_t)topicLen);
        }
        if (trace_log != NULL)
        {
            STRING_sprintf(trace_log, " | TOPIC_NAME: %s", payloadList[index]);
        }
    }
    return result;
}